Signal transmitter



May 31 s 1927.

F. Rzzo SIGNAL TRANSMITTER Filed Feb. 27. 1925' 2 Sheets-Sheetl PatentedMay 31, 1927. .II

Ht fa-part of' this specificatin, and in whichi likefpartsthroughsociated therewith." i

thereof is The present invention relates to impr'ove ments melectrcsignalhng systems; andhas for'ts prncpal ob ect to provdefan imi--proved transnitterjwhich 'will close an operatng {crcu't and j open sade crcu t during one cycleof operation'.

V Other objectsand advantages this' invention will V ,become apparentduring the V course of 'the following-description p H p In. theaccmpanying V drawings, forming like numerals designate 'out the same:

Figur 1 is a front elevationof the cabinet, showing the switchmech'a-nism and the Operating ;means there-for ,mount'ed thereon. r`Figure2l`s a V cabinet, showing t "e motorsupported therei in and thespeedjreducing gear' ''rame 'as- F ignreB is a section 'taken at rightjangls' to Figure '2, 'showing the motor and the r the stationary'contlcts i V ofthe front of V theca bine"t, `the`mvable Contacts'cooperat- V gear train therein, 'arrjanged "on the outer face 'ingtherewith, and the switch' throwing arm. j e Fig; 4 is a rear elevationof the front face of the cabinet, showing the' annular' series and thewirngtherefor. y i Fgure 5 s a dagrammatic view illustrating a wirngarrangement'of the system.

In the drawings, wherein'for the purpose of illustration is 'shown thepreferred embodiment of my invention, .the numerall designates a cabinetor located in any convenient place, in a house or building.Supportedwithin the cabinet 1 on a suitable bracket or stand 2 providedtherefor is' a portable electricmotor 3,; the same being of anyconventional construction. The drive shaftof the motor is indicated att, and carried by the outer end the fiber gear 5, thepurpose of whichwill be presently described.

A-driven shaft 6 is journaledtransversely in a suitable frame 7 providedtherefor,

lat-tervbeing supported within the cabinet .1 adjacent the front facethereof. u The outer end of the driven shaft &extends through .the frontface of the cabinet, and is externally threaded, as illustrated` moreclearly in Figre 3 of i the' drawings) A relatively large gear 8 iscarried by the transverselyextending driven shaft 6 and usual' constructrespectively the' same bei sectional view through theiton'al"constructionl Alsoarranged on the .driven shaft 6; The outer endof V row strip of metal forming themovable I as well as of stationaryContacts: supported thereon so as'to permit the 'convex'long-itudinally,

the. like, which is' x therefroin so that the i's?L'angdwithin the'traine th 'geat 8 beng driven by' a suitable rainot, gearing, i

which in' turn is op'er'ated or pinin 5; 'carried;byjthe outer endet thedrive'. shaft 1. *As 'thi s 4 e i'on it is not thoughtjnecessary tofurther go into'detail relative to' the same; the, purposetherejbeing-tO reduce feature. is of the 'as is obvious from thejconstruction; illus:

trated infthe drawing.:

tion; are; the 'snapthrow switches 10' and 11 g Q the conVnfront side of.the 'cabinet 1 `s"`the` annu`lar series of spaced stationary Contacts;12,the

same extending through" thelront 'sideflot e Cooperating" with" the'stationary Contacts l2 is thenovable contact in the for of a' narrow`'strip fm ta, which is supportediat its inner endfon the of thetransversely 4 extending l outer end the narcontact 13 is curved,transversely,

face of the outer end of 'the movable con-' tact'13'to be in engagementwith faces or heads ofthe stationary Contacts 12 p as the'movablecontact ro'tates sinultaneously V with the drivenshaft; Adapted forsimul- Secured at its nner end on the outer, end of the driven shaft 6suitable washer ;16 being placed driven shaft. A cotter pin 'or opening.provided therefor 'in `the outer end' of the' driven Shaft', toprevent' the accie] V i dental displacement of the fastening nuts themovable contact 13 will' at vall times be Secured 'w z V and the arm 14on the end of thedriven shaft' The outer end of the arm 14; extendsbeyond the a'nnup V lar series of spaced stationary contacts 12 theame'bemg' the outer y V o. I

;taneous actuation ,with the movable contact i, *13 is the elongatedarm" 14, thefsanebeing' by suitable nuts '15`,:a

on the the like, V shown at 17, extends through 'a suitable r andisadapted to cooperate with the, 'snapa J throw switches 10 and 11.` g V vIn order' to clearly'illustrate the operation of the transmitter,

1 I have shown ai" simple electrcwiring diagram 1in Fig. 5. V

hen A the switch arms shown at 10, ,I 11 i ai'e disposed -in theposition shown and the switch 21 is closed, current wills flow 'from the`battery 18 through wres I@ switch arm 10, contact '28, wire Ehud"onotouand re turn through switch 21, wre J wine H to direction' 'to' engage,return to the. battery 118 may` j flow through'` wire J, wire %ti` toen'ergiz'e the bell 25 returning toithe battery through contact battery.i Ast he arm'ltcontnue's 'to-swing,

the contact 13'engages those Contacts en'- by.the wire L. The contact'13is' engagedjby wre M; and of Wth th'e mmm The wires engaged with theswitch associated with course, swings wres'leading to 'zt suitablesignalng appai ra'tus (notjshown) whchslocated in afire thus breaking'the e 'breaking the'bell crcuit. ;e transnitteyit is' apparent thatthe'Vaenginefhouse or station. The further Swingng o f the arm ltbrngs itinto engagemnt wth'theswitch; arm `1 O'so as to move this switch arm 10from contact 28" to contact'24,

LTo' again r op'erate At the same time,`

L and 'M are position shown in Figlf fl While I have hown" the f preferred I eni- "rio us switches must be ina nuallyfte set to the stood,tha-t vm ou changes in *the size shape and err mgement of' parts niaybe resorted to; if* d-esired, ,without spirit;- I 'ppen'ded claim; iLclaim cluding in co nbnation, a, casing,

fkftfmisntte' of' theclss described in an xnnua lar series e 'of:space'd ;station-cry Contacts arjournaled 'through "said r stationaryfcontacts; c Lto *move jgthereover; a switch Inounted on said "Wall of jthe icajs ing outside' of theenr ular seriesof contacts, and including amovable .element and' cut 'with the motor; andan ajrnmounted "on*theishaftfjto move synchronouslyfwith `the jmovtblecontact jforengagngijwhenin a. predetermined positionflthe wll of the csingfcentrally" of i the, series: of Contacts; afmotouoperativelyassociatedjwithfthe shzftfor i imparting; r tj ry motion'thereto; a movhle 'contact "on' said fshatit' es socia ted *with seidmovable `e lement' of the'switch, so as'tofdijsengage the movableelement from the jtationa y fele- 0 departing from the tthe imention'orthe scopelof the i

